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Magnum XL .91RFS
R/C 4-Stroke Engine
This is a Magnum XL .91RFS R/C 4-Stroke Engine. The XL .91RFS is a single cylinder, four-stroke engine incorporating an aluminum piston, iron ring and steel sleeve for long life and high power output. A dual-needle valve carburetor for precise fuel/airflow metering is standard. The engine features a dual-ball bearing-supported crankshaft and camshaft, dual bushing-supported connecting rod, and a high-flow muffler for more power and reduced noise. Your Magnum XL RFS series engine was designed by expert engineers and built by master craftsmen using only the highest quality materials and CNC machinery. These qualities provide the long life and dependability you have come to expect from an engine of this caliber.
Magnum has been bringing you high performance engines at an affordable price for more than 20 years! During that time the line has grown and expanded to offer a full line of 4-stroke and 2-stroke engines. And, all are made from the finest materials on the latest machinery. Plus, you get the added security of a full one-year warranty that protects you from any manufacturing defects and or premature wear (crash damage not covered). For reliability, high quality, and performance the choice is MAGNUM!
• Ringed Piston Design for Long Life and High Power
• Aluminum Piston, Iron Ring and Steel Sleeve
• Rear-Updraft, Dual Needle Carburetor
• Crankcase Gas Recirculating System - Improved Lubrication and Cleaner Model!
• Choke Valve and Lever
• High-Flow Quiet Muffler
• Dual Ball Bearing-Supported Crankshaft and Camshaft
• Dual Bushing-Supported Connecting Rod
• Blue Rocker Valve Cover
• Safety Propeller Nut
• Displacement: 14.95cc
• Bore: 27.7mm
• Stroke: 24.8mm
• Practical RPM: 2,000 to 11,000
• Weight with Muffler: 22.4oz
• Muffler Thread Size: M11 x 0.75mm
• Crankshaft Thread Size: 5/16 - 24
• Recommend Propeller Size: 14 x 6 (Break-In)
*Requires glow plug, fuel, propeller and support equipment. We recommend using 15% ~ 20% Nitro Methane Fuel with 16% ~ 18% Castor Oil/Synthetic Oil Blend Lubricant. We recommend using a hot heat-range glow plug designed for 4-stroke engines, such as Thunderbolt HP, O.S. Type F or Fox Miracle Plug. Propeller size will vary based on many factors. We recommend a 14 x 6 propeller for break-in.
|User's Guide (259.9 KB)||This is the User's Guide for the Magnum XL .91RFS Engine|
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